Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 195/30-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 19.61 (498) | -3.62 (-92) -15.6% |
| Width inches (mm) | 7.48 (190) | 7.68 (195) | 0.2 (5) 2.6% |
| Circum. inches (mm) | 72.97 (1853.54) | 61.6 (1564.51) | -11.38 (-289.03) -15.6% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 2.3 (58.5) | -1.81 (-46) -44% |
| Revolutions per mile (km) | 868.25 (539.51) | 1028.65 (639.18) | 160.4 (99.67) 18.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.88 mph (27.17 km/h) |
| 25 mph (40.23 km/h) | 21.1 mph (33.96 km/h) |
| 30 mph (48.28 km/h) | 25.32 mph (40.75 km/h) |
| 35 mph (56.33 km/h) | 29.54 mph (47.54 km/h) |
| 40 mph (64.37 km/h) | 33.76 mph (54.34 km/h) |
| 45 mph (72.42 km/h) | 37.98 mph (61.13 km/h) |
| 50 mph (80.47 km/h) | 42.2 mph (67.92 km/h) |
| 55 mph (88.51 km/h) | 46.42 mph (74.71 km/h) |
| 60 mph (96.56 km/h) | 50.64 mph (81.5 km/h) |
| 65 mph (104.61 km/h) | 54.86 mph (88.3 km/h) |
| 70 mph (112.65 km/h) | 59.08 mph (95.09 km/h) |
| 75 mph (120.7 km/h) | 63.31 mph (101.88 km/h) |
| 80 mph (128.75 km/h) | 67.53 mph (108.67 km/h) |
| 85 mph (136.79 km/h) | 71.75 mph (115.46 km/h) |
| 90 mph (144.84 km/h) | 75.97 mph (122.26 km/h) |
| 95 mph (152.89 km/h) | 80.19 mph (129.05 km/h) |
| 100 mph (160.93 km/h) | 84.41 mph (135.84 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
